Recently, CSIC 731 successfully signed an order for an intelligent engineering project. The project covers an area of ​​nearly 100,000 square meters, including closed-circuit television monitoring, computer network, program-controlled telephone exchange, wireless intercom, electronic patrol, parking management, cable TV, intercom, emergency help alarm, bridge a total of 10 systems. At present, all work is being carried out in an orderly manner.

Quenched And Tempered Steel Bar

Quenched and tempered steel bar is produced by quenching and tempering which is one kind of heat treatment to get high mechanical properties and hardness. Our advantages and more services of quenched and tempered steel bar includes:

1) Wide range of diameters from 10mm to 100mm

2) Customized Length from 100mm to 12000mm

3) Good surface roughness: 0.4um to 1.5um

4) Good straightness: 0.5mm/m to 2mm/m

5) Good roundness: 80% of diameter tolerance

6) Diameter tolerance: -0.02mm to -0.06mm/h9, h10, h11

7) Matched further processing: Grinding, polishing, straightening

8) Anti-rusty package

9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing

10) Fast delivery time

Aisi 4140,Aisi 4130,Round Bar S45C,Astm A193 B7